61-70 组
61 开阔眼界
widen one's horizon/ broaden one's vision
62 70 亿
seven billion
63 学习知识和技能
acquire knowledge and skills
64 禁不住做某事
can't help doing sth.
65 做.有困难
have difficulty(trouble) (in) doing sth.
66 做某事毫无用处
It's no use doing sth.
67 没必要做某事
There's no point in doing sth.
68 对某事/某人有影响
have an influence on sth. /sb.
69 把.强加于某人
impose sth. on sb.
70 避免做某事
escape doing sth.